California Code, Penal Code - PEN § 360

Every person authorized to solemnize any marriage, who solemnizes a marriage without first being presented with the marriage license, as required by Section 421 of the Family Code;  or who solemnizes a marriage pursuant to Part 4 (commencing with Section 500) of Division 3 of the Family Code without the authorization required by that part;  or who willfully makes a false return of any marriage or pretended marriage to the recorder or clerk and every person who willfully makes a false record of any marriage return, is guilty of a misdemeanor.